USA UNS EVl4 Specialsteel Steel for exhaust valves and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | EVl4 | UNS | USA | Steel for exhaust valves |
C | Si | Mn | P | S | Cr | Ni | N |
---|---|---|---|---|---|---|---|
0.20 - ≥ | 0.40 - ≥ | 6.50 - ≥ | ≤ ≥ | ≤ ≥ | 21.0 - ≥ | 5.50 - ≥ | 0.20 - ≥ |
Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
471 (≥) | 411 (≥) | 22 | 21 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 334 |
Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
---|---|---|---|---|---|---|---|
43 | - | - | 0.23 | - | |||
994 | 165 | - | 13.3 | 214 | - | ||
678 | - | 41 | 14.2 | 221 | 322 |
Heat treated : 1949°C - 1195°C
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